fix für Quest#sole soll quest Beziehung im Earning aufbauen

app/models/quest.rb

@@ -12,6 +12,7 @@ class Quest < ActiveRecord::Base
     hacker.earnings.create({
       :user => user,
       :points => self.points,
+      :quest  => self,
       :chronicle_text => self.title
     })
   end # #solve

spec/models/quest_spec.rb

@@ -14,9 +14,10 @@ describe Quest do
 
   describe '#solve' do
     it 'should produce a reward' do
-      hacker.reload.should have(0).earnings
+      hacker.should have(0).earnings
       subject.solve(hacker)
       hacker.reload.should have(1).earnings
+      hacker.earnings.first.quest.should be_eql(subject)
     end
 
     it 'should produce text into reward'